To answer the OP.The only thing I might add to the above comments would be:
NO, we never should have invaded Iraq. It made no sense then and has led the nation to ruin.
To address the deflection.
We NEVER should have had troops there to begin with. Originally Posted by Yssup Rider
Hindsight being 20/20, the Spring of 2003 invasion of and subsequent war with Iraq was the WORST American foreign policy mistake since the Vietnam War.
And quite frankly, there is not even a close second!